Jump to main content
Jump to site search

Issue 39, 2017
Previous Article Next Article

Perovskites beyond photovoltaics: field emission from morphology-tailored nanostructured methylammonium lead triiodide

Author affiliations

Abstract

Herein, methylammonium lead triiodide (CH3NH3PbI3) nanorods and nanocrystals were prepared by a facile room-temperature wet chemical method via simple variation of the synthesis parameters. Proper phase formation was confirmed by X-ray diffraction studies, whereas the morphological features were investigated using field emission scanning electron microscopy and transmission electron microscopy. The bonding information and the presence of organic functional groups within the synthesized nanostructures were confirmed using Fourier transform infrared spectroscopy. The work function of the material was calculated using first principles studies. In an attempt to explore the potential of the perovskites beyond photovoltaic applications, the field emission performance of the nanostructured CH3NH3PbI3 was investigated. The turn-on field (electric field corresponding to a 10 μA cm−2 current density) was obtained as 4.2 V μm−1 with the current density reaching up to 96 μA cm−2 for an inter-electrode spacing of 200 μm for the nanorod samples. The emission current stability was tested to be good enough for as long as 2 hours. Finally, finite element-based simulations were performed using ANSYS to obtain a theoretical perception of our experimental findings.

Graphical abstract: Perovskites beyond photovoltaics: field emission from morphology-tailored nanostructured methylammonium lead triiodide

Back to tab navigation

Supplementary files

Article information


Submitted
15 Jun 2017
Accepted
11 Sep 2017
First published
12 Sep 2017

Phys. Chem. Chem. Phys., 2017,19, 26708-26717
Article type
Paper

Perovskites beyond photovoltaics: field emission from morphology-tailored nanostructured methylammonium lead triiodide

N. Besra, S. Pal, B. K. Das and K. K. Chattopadhyay, Phys. Chem. Chem. Phys., 2017, 19, 26708
DOI: 10.1039/C7CP04038E

Social activity

Search articles by author

Spotlight

Advertisements